(19)
(11) EP 3 793 704 A1

(12)

(43) Date of publication:
24.03.2021 Bulletin 2021/12

(21) Application number: 19726250.4

(22) Date of filing: 08.05.2019
(51) International Patent Classification (IPC): 
B01D 19/00(2006.01)
B01J 19/24(2006.01)
B01D 45/00(2006.01)
C08F 6/00(2006.01)
(86) International application number:
PCT/US2019/031225
(87) International publication number:
WO 2019/221982 (21.11.2019 Gazette 2019/47)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 16.05.2018 US 201815981532

(71) Applicant: Chevron Phillips Chemical Company LP
The Woodlands, Texas 77380 (US)

(72) Inventors:
  • DOOLEY, Kenneth A.
    Porter, Texas 77365 (US)
  • LOWELL, Jeffrey S.
    Huffman, Texas 77336 (US)
  • CURREN, Joseph A.
    Kingwood, Texas 77339 (US)

(74) Representative: Privett, Marianne Alice Louise 
A.A. Thornton & Co. Octagon Point 5 Cheapside
London EC2V 6AA
London EC2V 6AA (GB)

   


(54) POLYMER FLAKE DEGASSING SYSTEM AND METHODS